Almost all of them have European surnames, but only ~20% of them have a European ancestor. If you are white, chances are good one of your ancestors came from France, or used a French surname to fool the authorities.
1 AC, or alternating current means the electrical current is alternating directions in a repetitive pattern.  AC is created by generators in power plants, and other sources. This AC current is delivered to our homes and businesses by the power lines we see everywhere.
Electric current is a flow of electric charge (usually in the form of electrons) through a substance. The substance or conductor that an electric current flows through is often metal wire, although current can also flow through some gases, liquids, and other materials.Circuits can be wired in two ways.In a series circuit, current flows to each bulb in turn. Both bulbs are dimly lit.he substance or conductor that an electric current flows through is often metal wire, although current can also flow through some gases, liquids, and other materials. Circuits can be wired in two ways. In a series circuit, current flows to each bulb in turn. Both bulbs are dimly lit.